Transfer Audio Files from a PC:

1. Connect the Android device to the PC via USB
2. On the phone, enable “Media device” / “File Transfer” when prompted or from the Notification shade
3. Launch the File Explorer on the computer
4. Navigate to the audio files on the PC
5. Copy and transfer the files to the phone storage in the “Ringtones” and “notifications” directories
6. Once done, eject the phone storage and safely disconnect the device from the USB port

Change the General Ringtone:

1. Open “Settings”
2. Go to “Sound & Notification”
3. Select the desired ringtone and tap “OK”
4. Optionally, enable or disable “Also vibrate for calls”

Change a Specific Contact’s Ringtone:

NOTE: You can’t set custom ringtones for contacts located on the phone’s SIM card or the device’s internal memory.

1. Launch “Contacts”
2. Tap and hold the desired contact
3. Tap “Edit” > “Menu”
4. Tap “Set ringtone” and select the desired ringtone
5. Press “OK” to confirm

Change Notification Alert Sounds:

1. Open “Settings”
2. Access “Sound & notification”
3. Tap “Default notification ringtone” and select the desired notification sound
4. Tap “OK” to confirm